Patents by Inventor Wonji HWANG

Wonji HWANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Metal-insulator-metal capacitor
    Patent number: 11955509
    Abstract: A metal-insulator-metal capacitor includes a first electrode disposed in a first region of an upper surface of a substrate, a second electrode covering the first electrode and extending to a second region surrounding an outer periphery of the first region, a third electrode covering the second electrode and extending to a third region surrounding an outer periphery of the second region, a first dielectric layer disposed between the first electrode and the second electrode to cover an upper surface and a side surface of the first electrode and extending to the second region, and a second dielectric layer disposed between the second electrode and the third electrode to cover an upper surface and a side surface of the second electrode and extending to the third region and in contact with the first dielectric layer.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: April 9, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jihyung Kim, Jeonghoon Ahn, Jaehee Oh, Shaofeng Ding, Wonji Park, Jegwan Hwang
  • Wireless power transmission device, wireless power reception device, and wireless charging system
    Patent number: 10784043
    Abstract: The present invention relates to a wireless power transmission device formed so as to wirelessly transmit power to a wireless power reception device, wherein the wireless power transmission device comprises: a first coil formed so as to transform a current into a magnetic field; and a first metal member formed so as to cover at least a portion of the first coil, and, in the present invention, the first metal member changes an emission direction of a magnetic field formed in the first coil so as to allow the power to reach the wireless power reception device which is positioned on a side surface of the wireless power transmission device.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: September 22, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Kiwon Han, Donghyun Seo, Jun Park, Wonji Hwang
  • WIRELESS POWER TRANSMISSION DEVICE, WIRELESS POWER RECEPTION DEVICE, AND WIRELESS CHARGING SYSTEM
    Publication number: 20200051737
    Abstract: The present invention relates to a wireless power transmission device formed so as to wirelessly transmit power to a wireless power reception device, wherein the wireless power transmission device comprises: a first coil formed so as to transform a current into a magnetic field; and a first metal member formed so as to cover at least a portion of the first coil, and, in the present invention, the first metal member changes an emission direction of a magnetic field formed in the first coil so as to allow the power to reach the wireless power reception device which is positioned on a side surface of the wireless power transmission device.
    Type: Application
    Filed: December 22, 2016
    Publication date: February 13, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Kiwon HAN, Donghyun SEO, Jun PARK, Wonji HWANG